From 2a2bd5c2fcd114fc2f483d7bfe95aaa5069b8ea7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=99=E8=89=BA=E5=93=B2?= <446062334@qq.com>
Date: Mon, 3 Jul 2023 13:15:23 +0800
Subject: [PATCH] void

---
 城市地铁导航系统.c | 48 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/城市地铁导航系统.c b/城市地铁导航系统.c
index efee5b1..d496577 100644
--- a/城市地铁导航系统.c
+++ b/城市地铁导航系统.c
@@ -42,6 +42,54 @@ void createjz(){//创建邻接矩阵函数
 		printf("\n");
 	}
 }
+int num2=0;
+ void Dijkstra(int v1,int v2){
+	int dist[MAX],s[MAX],path[MAX];//s判断v1是否已经判断最短路径，path前驱
+	int min,i,j,u,pre;
+	for(i=0;i<nm.n;i++){
+		dist[i]=cont[v1][i];
+		s[i]=0;
+		if(cont[v1][i]<MAX) path[i]=v1;
+		else path[i]=-1;
+	}//初始化操作
+	s[v1]=1;
+	path[v1]=0;
+	for(i=0;i<nm.n;i++){
+		min=MAX;
+		u=-1;
+		for(j=0;j<nm.n;j++){
+			if(s[j]==0&&dist[j]<min){
+				u=j;
+				min=dist[j];
+			}
+		}
+		if(u!=-1){
+			s[u]=1;
+			for(j=0;j<nm.n;j++)
+			   if(s[j]==0){
+				 if(cont[u][j]<MAX&&dist[u]+cont[u][j]<dist[j]){
+					dist[j]=dist[u]+cont[u][j];
+					path[j]=u;
+				 }
+			   }
+		}
+	}
+	printf("智能推荐路线如下(逆序):\n");
+	for(i=0;i<nm.n;i++){
+		if(i!=v1&&i==v2){
+			if(s[i]==1){
+				num2=dist[i];
+				pre=i;
+				while(pre!=v1){
+					printf("%s-->",nm.adjust[pre].name);
+					pre=path[pre];
+				}
+				printf("%s",nm.adjust[pre].name);
+			}
+			else printf("路径不存在！\n");
+		}
+	}
+}
 int main() 
 {   
     creatnode();